NASA's InSight lander has reached the optimal spot for getting to the heart of the red planet.

PASADENA, CALIFORNIAAfter a 205-day journey through space, NASA’s InSight lander is safely on the surface of Mars. Tasked with peering beneath the Martian surface and mapping the planet’s underworld, InSight touched down at 2:52 p.m. ET in a sunny patch of boring landscape inside the equatorial plains of Elysium Planitia.